AutoCodes – BMW – P1328 BMW

P1328 BMW Code - Knock Sensor 2 High Input

Quick Answer

The Engine Control Module (ECM) monitors the Knock Sensor. Common causes include Faulty Knock Sensor, Knock Sensor harness is open or shorted, Knock Sensor circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means: P1328 BMW indicates Knock Sensor 2 High Input.
Common causes: Common causes include Faulty Knock Sensor, Knock Sensor harness is open or shorted, Knock Sensor circuit poor electrical connection.
Severity: Moderate - service should be scheduled soon.
Can I drive?: The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

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Code Popularity 14,348

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 13, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1328 BMW Description

The Engine Control Module (ECM) monitors the Knock Sensor. The ECM sets the OBDII code when the Knock Sensor is not to factory specifications.

OBDII Code P1328 BMW - Knock Sensor 2 High Input - AutoCodes.com — P1328 BMW Code - Knock Sensor 2 High Input

What does this mean?

What are the Possible Causes of the DTC P1328 BMW?

Faulty Knock Sensor
Knock Sensor harness is open or shorted
Knock Sensor circuit poor electrical connection

How to Fix the DTC P1328 BMW?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1328 BMW code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1328 BMW code?

Need more information on how to fix the P1328 BMW code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1328 BMW code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1328 BMW Code

1. What are the common symptoms of OBDII code P1328 in a BMW related to Knock Sensor 2 High Input?

- Common symptoms include engine pinging or knocking noises, reduced engine performance, and potentially decreased fuel efficiency.

2. What can cause the OBDII code P1328 in a BMW indicating Knock Sensor 2 High Input?

- Possible causes include a faulty knock sensor, wiring issues in the knock sensor circuit, or engine mechanical problems causing abnormal knock sensor readings.

3. How serious is the OBDII code P1328 in a BMW related to Knock Sensor 2 High Input?

- Ignoring this code can lead to engine damage over time, as the knock sensor plays a crucial role in detecting abnormal combustion, protecting the engine.

4. Can a DIY enthusiast easily repair the OBDII code P1328 in a BMW for Knock Sensor 2 High Input?

- While some may attempt the repair themselves, dealing with the knock sensor usually requires specialized tools and knowledge, making professional repair recommended.

5. Is it safe to continue driving a BMW with the OBDII code P1328 for Knock Sensor 2 High Input?

- It is not advisable to drive the vehicle with this code active, as it can lead to potential engine damage and poor performance if the underlying issue is not addressed promptly.

6. How can I diagnose the OBDII code P1328 in a BMW pointing to Knock Sensor 2 High Input?

- Diagnosing this code typically involves using a scan tool to read the code, testing the knock sensor, inspecting the wiring, and checking for any engine abnormalities causing false readings.

7. Will resetting the OBDII code P1328 in a BMW related to Knock Sensor 2 High Input resolve the issue?

- Resetting the code may temporarily clear the warning light, but it will not fix the underlying problem causing the code to trigger. Proper diagnosis and repair are necessary.

8. Can environmental factors trigger the OBDII code P1328 in a BMW for Knock Sensor 2 High Input?

- Extreme temperatures, poor fuel quality, or driving conditions can sometimes contribute to false knock sensor readings, but it is crucial to rule out other potential causes.

9. Are there any preventive measures to avoid the OBDII code P1328 in a BMW associated with Knock Sensor 2 High Input?

- Regular maintenance, using high-quality fuel, and addressing any engine performance issues promptly can help prevent triggering this code related to the knock sensor.

10. How much can I expect to pay for repairing the OBDII code P1328 in a BMW due to Knock Sensor 2 High Input?

- The cost of repair can vary depending on the underlying issue, but it typically involves replacing the knock sensor or addressing wiring problems, with costs ranging from $200 to $500 or more.